H2H data updated: 2026-07-19 14:15 UTC
Thomaz Koch vs Allan Stone H2H: 2-1
Thomaz Koch holds a 2–1 lead over Allan Stone in their ATP head-to-head. Across 3 main-draw meetings, Thomaz Koch leads 1–0 on carpet and 1–0 on clay. Most recently, Allan Stone won the 1975 Caracas Wct third round 6-2 5-7 6-3.
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BRA
Age 81
Left-Handed
H2H
2
–
1
3 main draw meetings
AUS
Age 80
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 20, 1975* | Caracas Wct | ATP 250 | R32 | Hard | Allan Stone | 6-2 5-7 6-3 | Thomaz Koch | Match data |
| Mar 14, 1975* | Sao Paulo Wct | ATP 250 | R16 | Carpet | Thomaz Koch | 4-6 6-4 6-2 | Allan Stone | Match data |
| Jul 11, 1969* | Washington | ATP 250 | R16 | Clay | Thomaz Koch | 6-2 6-2 | Allan Stone | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thomaz Koch | #857 | #24 | 0 | 1,873 | 200 | 157 | 56.0% | 0 | 0 | 0 | 0 | 6 | 6 |
| Allan Stone | #199 | #36 | 0 | 1,885 | 247 | 244 | 50.3% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Thomaz Koch | Allan Stone | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 22 | — | — | — | — | — | — | — | 1968 | 38–25 | 60.3% | — | 1,661 | 0 | 0 |
| 23 | 1968 | 29–17 | 63.0% | — | 1,677 | 0 | 1 | 1969 | 35–20 | 63.6% | — | 1,732 | 0 | 0 |
| 24 | 1969 | 34–18 | 65.4% | — | 1,799 | 0 | 4 | 1970 | 15–16 | 48.4% | — | 1,690 | 0 | 0 |
| 25 | 1970 | 18–15 | 54.5% | — | 1,786 | 0 | 4 | 1971 | 16–31 | 34.0% | — | 1,637 | 0 | 0 |
| 26 | 1971 | 24–13 | 64.9% | — | 1,717 | 0 | 5 | 1972 | 17–30 | 36.2% | — | 1,723 | 0 | 0 |
| 27 | 1972 | 19–16 | 54.3% | — | 1,717 | 0 | 6 | 1973 | 34–33 | 50.7% | #60 | 1,676 | 0 | 0 |
| 28 | 1973 | 5–6 | 45.5% | #204 | 1,704 | 0 | 6 | 1974 | 19–19 | 50.0% | #49 | 1,760 | 0 | 0 |
| 29 | 1974 | 22–12 | 64.7% | #24 | 1,861 | 0 | 6 | 1975 | 30–21 | 58.8% | #38 | 1,850 | 0 | 0 |
| 30 | 1975 | 20–22 | 47.6% | #62 | 1,743 | 0 | 6 | 1976 | 12–21 | 36.4% | #103 | 1,739 | 0 | 0 |
| 31 | 1976 | 15–8 | 65.2% | #58 | 1,803 | 0 | 6 | 1977 | 14–15 | 48.3% | #87 | 1,666 | 0 | 0 |
| 32 | 1977 | 1–6 | 14.3% | #263 | 1,706 | 0 | 6 | 1978 | 13–9 | 59.1% | #67 | 1,796 | 0 | 0 |
| 33 | — | — | — | — | — | — | — | 1979 | 4–4 | 50.0% | #199 | 1,737 | 0 | 0 |
| 34 | 1979 | 4–7 | 36.4% | #85 | 1,658 | 0 | 6 | — | — | — | — | — | — | — |
| 35 | 1980 | 7–9 | 43.8% | #49 | 1,651 | 0 | 6 | — | — | — | — | — | — | — |
| 36 | 1981 | 0–2 | 0.0% | #90 | 1,627 | 0 | 6 | — | — | — | — | — | — | — |
| 37 | 1982 | 1–5 | 16.7% | #240 | 1,592 | 0 | 6 | — | — | — | — | — | — | — |
| 38 | 1983 | 1–1 | 50.0% | #185 | 1,583 | 0 | 6 | — | — | — | — | — | — | — |